V2EX linear transformation

Linear Transformation

定义 Definition

线性变换,数学术语,指在向量空间中保持加法和标量乘法运算的映射。在更广泛的语境中,也可指任何按比例、直线方式进行的转变或转化。

发音 Pronunciation

/lnir trnsfrmen/

例句 Examples

This linear transformation maps every point on the plane to a new position.
这个线性变换将平面上的每一个点映射到一个新的位置。

In computer graphics, linear transformations such as rotation and scaling are fundamental operations used to manipulate objects in a scene.
在计算机图形学中,旋转和缩放等线性变换是用于操控场景中物体的基本操作。

词源 Etymology

linear 源自拉丁语 linearis,意为"与线有关的",由 linea(线)派生而来。transformation 源自拉丁语 transformatio,由前缀 **trans-**(跨越、改变)和 formare(塑造、形成)组合而成,意为"改变形态"。两词合在一起,表示"沿直线方式进行的形态改变",在19世纪随着线性代数的发展成为数学中的核心概念。

相关词汇 Related ords

文学与学术引用 Literary & Academic References

  • Gilbert Strang 的经典教材 Introduction to Linear Algebra 中,线性变换是全书的核心概念之一,贯穿矩阵运算与向量空间的讨论。
  • Sheldon AxlerLinear Algebra Done Right 以线性变换(而非行列式)为出发点重新构建线性代数体系,被广泛用于大学数学教学。
  • Douglas HofstadterGdel, Escher, Bach 中,线性变换的概念被用来探讨音乐、艺术与数学之间的对称性和结构转化关系。
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